Expert GMC Repair Service in Chicago
Professional Grade - Built for the Pros
ASE certified GMC technicians with GM diagnostic systems. Serving all Sierra, Yukon, Terrain, and Duramax diesel models with professional expertise.
Why Choose J and A for Your GMC
GMC Expertise
Specialized knowledge of Duramax diesels, professional-grade trucks, and Denali luxury
GM Diagnostics
Factory-level GM diagnostic tools for trucks and SUVs
24/24 Warranty
Comprehensive 24-month/24,000-mile warranty on all services
Diesel Specialists
Expert Duramax diesel service and DEF system expertise
Why GMC Vehicles Need Specialized Care
GMC delivers professional grade trucks and SUVs. Sharing platforms with Chevrolet, we have extensive experience with GM's truck technology, Duramax diesels, and luxury Denali models.
Our GMC-trained technicians understand professional-grade engineering and the demands placed on GMC trucks and SUVs. We know proper maintenance is critical, from Duramax diesel DEF system service to addressing AFM system issues and maintaining luxury Denali features.
Whether you drive a capable Sierra truck, luxurious Yukon Denali, versatile Terrain, or powerful Canyon, we provide the professional-grade service your GMC needs to keep performing at its best.
GMC Models We Service
We service all GMC models from 2000-present, including Denali luxury variants
Common GMC Issues We Fix
Active fuel management system failures
We diagnose and repair this common GMC issue using GM diagnostics and quality parts.
Transmission leaks and shudder
We diagnose and repair this common GMC issue using GM diagnostics and quality parts.
DEF system issues on diesels
We diagnose and repair this common GMC issue using GM diagnostics and quality parts.
Air conditioning compressor failures
We diagnose and repair this common GMC issue using GM diagnostics and quality parts.
Timing chain problems
We diagnose and repair this common GMC issue using GM diagnostics and quality parts.
Battery drain issues
We diagnose and repair this common GMC issue using GM diagnostics and quality parts.
Complete GMC Services
Advanced Diagnostics
- GM diagnostic system
- Duramax diesel diagnostics
- Pre-purchase inspections
Diesel Services
- Duramax diesel maintenance
- DEF system service
- DPF cleaning & regeneration
Truck Services
- Sierra 1500/2500HD/3500HD service
- 4WD system service
- Heavy-duty suspension service
Engine Services
- AFM system service
- Timing chain replacement
- Oil leak diagnosis & repair
Transmission Services
- Transmission fluid service
- Transmission leak repair
- Allison transmission service
Denali Services
- Luxury feature diagnostics
- Air conditioning service
- Electrical system diagnostics
Frequently Asked Questions
What GMC models do you service?
We service all GMC models including Sierra 1500, 2500HD, 3500HD trucks, Acadia SUV, Terrain SUV, Yukon, Yukon XL SUVs, and more. Our ASE certified technicians have extensive experience with GMC's professional grade trucks, Duramax diesels, and luxury Denali models.
How much does GMC Sierra service cost in Chicago?
GMC Sierra service costs vary by year and engine type. Oil changes start around $69 for gas engines and $129 for Duramax diesels. Brake service starts at $199 per axle, and we provide honest estimates for all heavy-duty truck repairs. Call (773) 661-2155 for a free estimate.
Do you use genuine GMC parts?
Yes, we use genuine GM parts or ACDelco equivalents that meet GMC specifications. All parts and labor are backed by our comprehensive 24-month/24,000-mile warranty, ensuring professional-grade quality for your GMC truck or SUV.
Can you service GMC Duramax diesel engines?
Absolutely. We have extensive experience with GMC Duramax diesel engines, including the 6.6L variants. We can perform DEF system service, diagnose diesel particulate filter (DPF) issues, repair fuel injection systems, and address common diesel concerns.
Do you service GMC commercial fleet vehicles?
Yes, we service GMC commercial fleets including Sierra trucks, Savana vans, and work vehicles. We understand the importance of minimizing downtime and offer competitive pricing for fleet maintenance and heavy-duty repairs.
Do you have GMC diagnostic equipment?
Yes, we're equipped with GM diagnostic tools providing factory-level diagnostics. This specialized equipment allows us to diagnose complex issues with GMC's advanced systems, Duramax diesels, and professional-grade trucks.
Serving GMC Owners Across Chicago
Your trusted GMC professional-grade service center in North Center, serving truck owners throughout Chicago.
Schedule Your GMC Service Today
Expert GMC truck and SUV repair with Duramax diesel expertise
J and A Automotive
4008 N Ravenswood Ave
Chicago, IL 60613
Monday - Friday: 9:00 AM - 6:00 PM